How I Discovered a Security Vulnerability in Twitter That Impacted 1.5 Million Users

In addition to being involved in startups, I enjoy finding system vulnerabilities as a side hobby. And I’ve found my fair share (see my about page, scroll down towards the bottom). The startup people I hung out with online in the mid-to-late 90′s were on IRC, before the startup incubators existed. This is where the cyber culture revolved around the discovery and sharing of new information. A